Rockabilly Blue is one of our strongest true, neutral blue hair dyes. This vibrant, ultra-powerful blue leaves cool tones on virgin, unbleached hair. For head turning results, we recommend lightening hair to a light level 9 blonde and toning hair before use to prevent unwanted hues.

• Style: Classic Semi-Permanent Hair Dye
• Color: Rockabilly Blue
• Color Description -  True Blue Hair Dye
• Volume: 4oz / 118ml
• Ingredients: Vegan Friendly, PPD Free!
• Additional Features: Benefits of Conditioning Hair, Resealable Tub For Longer Use, Comes With Instructions
• Duration: 4 - 6 weeks

Tested on celebrities, not animals™.